1. Iyer SR. Sleep and type 2 diabetes mellitus- clinical implications. JAPI. 2012;60:42–7.
2. Arthur C. Guyton and John E. Hall. Text Book of Medical Physiology. 11th ed. Arthur C. Guyton and John E Hall, editor. 2006. p. 739–741.
3. Leproult R, Cauter EV. Role of sleep and sleep loss in hormonal release and metabolism. Basil: Karger Publishers; 2011. p. 11–21.
4. Kryger MZP. Sleep-wake cycle: its physiology and impact on health. Natl Sleep Found. 2006;17:27–8.
5. Watson NF, Badr MS, Belenky G, Bliwise DL, Buxton OM, Buysse D, et al. Recommended Amount of sleep for a healthy adult: a joint consensus statement of the American Academy of Sleep Medicine and Sleep Research Society. J Clin Sleep Med. 2015;11(6):591–2.